WHALE Long Lasting Anti-fog Wide View Swimming Mask with Dark Curve Lenses for Men and Women LEAKPROOF! The one-piece gasket is made of premium liquid silicone material, which would cover your eyes completely and form a great water seal once you put the swim mask on. This swimming mask would not squish your eyes and leave enduring marks on your face like most common eye cup goggles does. No more raccoon eyes. EXTRA WIDE VIEW! You will find your visibility so much more improved through the curve lenses over any normal swim goggles. Please note that this pair of goggles is not diving mask. Smoke is the most popular color of swimming goggles and smoke lenses could reduce the brightness to protect your eyes. Due to the dark lenses and long lasting anti-fog coating, it does not steam up and performs very well both indoor and outdoor. LONG LASTING ANTI-FOG and SNUG FIT! The anti-fog coating was made of enhanced hydrophilic anti-mist material which creates long durability and quick defogging in order to keep the lens always clear both underwater and above water. The coating is a whole anti-fog treatment not just a surface coating, and it is also scrubbing resistance. The streamlined design goggles fit most shapes of human faces except some people whose cheek, nose bridge or forehead is extra higher or lower than other parts of his or her face. LIGHTWEIGHT and SUPER COMFORTABLE! Easy and quick adjustment for wearing. The split head straps are very soft, stretchy and adjustable, so this pair of goggles could hold well when you are doing laps. Whale Swimming Mask is perfect for surfing because it is sturdy and compact enough to against the strong waves. The PC lenses could even keep itself original after being ran over by a 3 tons car in our QC. Comes with a hard plastic case for a convenient carrying so that to keep lenses in pristine condition without scratching.